7 books • 1 series
Criteria for Defining the Soilform - the Fourth Category of the New Zealand Soil Classification (Landcare Research science, No 3)
Soil Description Handbook
Criteria for Differentiating Soil Series
Soils in Dyfed
Classification of Some British Soils According to the Comprehensive System of the United States
Soils of the Exeter District
Soils of the Middle Teign Valley District of Devon